---> uname -a: Linux prd-centos8-docker-4c-4g-5935.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 824 11562 19 3376 14589 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:35:8b:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.63/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85922sec preferred_lft 85922sec inet6 fe80::f816:3eff:fe35:8b10/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c5:20:e5:87 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:c5ff:fe20:e587/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/25/2026 _x86_64_ (4 CPU) 08:02:22 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 224.65 19.43 205.21 3975.35 11062.16 08:05:01 AM 115.90 2.70 113.20 260.14 10892.11 08:06:01 AM 25.57 0.00 25.57 0.00 6356.86 08:07:01 AM 15.53 2.88 12.65 226.86 375.67 08:08:01 AM 81.21 0.70 80.51 418.79 18525.97 08:09:01 AM 20.46 1.22 19.24 1590.67 7051.47 08:10:01 AM 149.19 0.42 148.78 56.12 3888.42 Average: 90.37 3.91 86.46 932.74 8308.07 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12464436 14600564 3677096 22.78 2688 2342092 1496616 8.71 179172 3101028 248380 08:05:01 AM 10974192 13349560 5167340 32.01 2688 2577000 2751532 16.01 263864 4482268 183548 08:06:01 AM 10711660 13091388 5429872 33.64 2688 2581176 2817180 16.39 263984 4743008 2664 08:07:01 AM 9218392 11622864 6923140 42.89 2688 2605160 4285008 24.93 275624 6215440 4248 08:08:01 AM 8671316 11494652 7470216 46.28 2688 3014016 4626356 26.91 406344 6592448 984 08:09:01 AM 10634260 13715568 5507272 34.12 2688 3270096 2310176 13.44 462816 4576104 20472 08:10:01 AM 11816900 14915896 4324632 26.79 2688 3284992 1202356 6.99 668768 3185384 24084 Average: 10641594 13255785 5499938 34.07 2688 2810647 2784175 16.20 360082 4699383 69197 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 256.37 209.23 3070.40 37.95 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 AM eth0 238.01 180.75 3420.30 28.90 0.00 0.00 0.00 0.00 08:05:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 185.72 116.14 61.43 68.55 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 4.00 4.00 0.51 0.51 0.00 0.00 0.00 0.00 08:07:01 AM eth0 125.87 87.12 38.50 48.65 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 13.15 13.15 26.61 26.61 0.00 0.00 0.00 0.00 08:08:01 AM eth0 201.73 114.96 2827.31 9.70 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.17 0.27 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM vethda94a09 0.17 0.42 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-254e9909d1ed 6.10 5.78 25.63 0.95 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.38 0.38 0.02 0.02 0.00 0.00 0.00 0.00 08:09:01 AM eth0 189.30 142.49 3060.78 12.75 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 71.77 55.39 18.30 243.92 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.50 2.50 3.88 3.88 0.00 0.00 0.00 0.00 Average: eth0 181.27 129.45 1785.58 64.34 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 04/25/2026 _x86_64_ (4 CPU) 08:02:22 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 29.97 0.00 2.64 1.15 0.10 66.14 08:04:01 AM 0 23.68 0.00 1.64 0.68 0.10 73.90 08:04:01 AM 1 33.87 0.00 3.53 1.91 0.10 60.58 08:04:01 AM 2 38.76 0.00 3.16 0.79 0.10 57.19 08:04:01 AM 3 23.59 0.00 2.23 1.22 0.08 72.88 08:05:01 AM all 61.44 0.00 1.81 0.42 0.11 36.21 08:05:01 AM 0 64.52 0.00 1.77 0.17 0.13 33.41 08:05:01 AM 1 60.41 0.00 1.65 0.43 0.10 37.40 08:05:01 AM 2 59.87 0.00 2.15 0.72 0.10 37.16 08:05:01 AM 3 60.97 0.00 1.67 0.37 0.12 36.88 08:06:01 AM all 18.64 0.00 1.24 0.17 0.08 79.87 08:06:01 AM 0 24.34 0.00 0.65 0.42 0.08 74.51 08:06:01 AM 1 21.31 0.00 1.27 0.07 0.07 77.29 08:06:01 AM 2 12.76 0.00 1.62 0.12 0.08 85.42 08:06:01 AM 3 16.16 0.00 1.44 0.07 0.08 82.26 08:07:01 AM all 39.19 0.00 1.49 0.04 0.10 59.17 08:07:01 AM 0 26.76 0.00 1.27 0.02 0.10 71.86 08:07:01 AM 1 30.74 0.00 1.32 0.05 0.10 67.80 08:07:01 AM 2 59.99 0.00 1.57 0.05 0.10 38.29 08:07:01 AM 3 39.28 0.00 1.80 0.03 0.12 58.76 08:08:01 AM all 20.40 0.00 3.30 0.95 0.08 75.28 08:08:01 AM 0 19.47 0.00 3.18 0.18 0.08 77.08 08:08:01 AM 1 23.13 0.00 4.30 0.60 0.08 71.88 08:08:01 AM 2 22.55 0.00 2.76 1.82 0.08 72.79 08:08:01 AM 3 16.43 0.00 2.95 1.18 0.08 79.36 08:09:01 AM all 56.56 0.00 1.30 0.13 0.11 41.91 08:09:01 AM 0 60.89 0.00 0.79 0.03 0.10 38.20 08:09:01 AM 1 39.18 0.00 1.39 0.40 0.10 58.93 08:09:01 AM 2 65.48 0.00 2.05 0.03 0.13 32.30 08:09:01 AM 3 60.68 0.00 0.99 0.03 0.10 38.20 08:10:01 AM all 49.80 0.00 1.77 0.44 0.10 47.89 08:10:01 AM 0 58.07 0.00 0.88 0.08 0.10 40.86 08:10:01 AM 1 33.82 0.00 1.17 0.12 0.10 64.80 08:10:01 AM 2 43.77 0.00 2.69 1.51 0.10 51.93 08:10:01 AM 3 63.56 0.00 2.35 0.05 0.10 33.94 Average: all 39.45 0.00 1.93 0.47 0.10 58.05 Average: 0 39.69 0.00 1.45 0.23 0.10 58.53 Average: 1 34.65 0.00 2.09 0.51 0.09 62.66 Average: 2 43.34 0.00 2.29 0.72 0.10 53.56 Average: 3 40.13 0.00 1.92 0.42 0.10 57.44